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#42FFE3 Color

#42FFE3 is rgb(66, 255, 227) in RGB, hsl(171, 100%, 63%) in HSL, and about cmyk(74%, 0%, 11%, 0%) in CMYK. It has no registered color name of its own — the closest is Turquoise Blue (#00FFEF), clearly related but distinguishable side by side at ΔE 6.83. Black text is the more readable choice on this background.

#42FFE3
HEX#42FFE3
RGBrgb(66, 255, 227)
HSLhsl(171, 100%, 63%)
HSVhsv(171, 74%, 100%)
CMYKcmyk(74%, 0%, 11%, 0%)
OKLCHoklch(90.2% 0.151 180.2)
LABlab(90.58% -52.72 -0.61)
LCHlch(90.58% 52.72 180.67)

What #42FFE3 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #42FFE3, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Turquoise Blue#00FFEFΔE 6.83Fluorescent Blue#15F4EEΔE 11.75Bright Turquoise#08E8DEΔE 11.79Aquamarine#7FFFD4ΔE 12.61Olo#01FFCDΔE 12.74Sea Green (Crayola)#00FFCDΔE 12.75

Browse the full index of named colors A-Z or every teal in the library.

#42FFE3 Channel Values

How #42FFE3 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 66 · G 255 · B 2278-bit channels as sent to the display
HSLH 171° · S 100% · L 63%Easiest model for building lighter and darker variants
HSVH 171° · S 74% · V 100%Matches the picker in most design tools
CMYKC 74% · M 0% · Y 11% · K 0%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.26:1 vs white · 16.64:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #42FFE3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text1.26:1AA normal AA large AAA normal
TextBlack text16.64:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #42FFE3 in the contrast checker.

Colors That Go With #42FFE3

Pairings derived from color-wheel relationships. The complementary color sits opposite #42FFE3; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#42FFE3
Complementary
#FF425F
Analogous
#42FF84
Analogous
#42BDFF
Triadic
#E342FF
Triadic
#FFE342
Split comp.
#FF42BD
Split comp.
#FF8442

Tints & Shades of #42FFE3

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#5CFFE7
#75FFEA
#8FFFEE
#A8FFF2
#C2FFF6
#DBFFFA

Shades

#1AFFDD
#00EBC7
#00C2A5
#00947E
#006B5B
#003D34

Want a full 50-950 ramp with semantic roles? Generate design tokens from #42FFE3.

How #42FFE3 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#42FFE3
Protanopia#ECECE4
Protanomaly#C0F4E3
Deuteranopia#D8D8E6
Deuteranomaly#B0E9E5
Tritanopia#52FCFC
Tritanomaly#4CFDF2
Achromatopsia#E5E5E5

Test a full palette in the color blindness simulator.

Using #42FFE3 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-42ffe3: #42FFE3;
CSS backgroundbackground-color: #42FFE3;
Tailwind configcolors: { 'color-42ffe3': '#42FFE3' }
SwiftUIColor(red: 0.259, green: 1.000, blue: 0.890)
Android XML<color name="color_42ffe3">#42FFE3</color>
SVG fillfill="#42FFE3"

More Teal Colors

#42FFE3 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#42FFE3 Frequently Asked Questions

What color is #42FFE3?

#42FFE3 is a light teal — rgb(66, 255, 227) in RGB and hsl(171, 100%, 63%) in HSL. It carries no registered color name of its own; the closest named color is Turquoise Blue (#00FFEF), which is clearly related but distinguishable side by side at a CIE76 distance of 6.83.

What is the RGB value of #42FFE3?

#42FFE3 is rgb(66, 255, 227) — red 66, green 255, and blue 227 on the 0-255 scale.

What is the CMYK value of #42FFE3?

#42FFE3 converts to approximately cmyk(74%, 0%, 11%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #42FFE3 be black or white?

Black text is the more readable choice. #42FFE3 scores 1.26:1 against white and 16.64:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #42FFE3 as a CSS color keyword?

No. #42FFE3 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is aquamarine (#7FFFD4) at a CIE76 distance of 12.61, which is visibly different.

Open #42FFE3 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.